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Finding the Fourth Proportional to 65,015.36, 97,536.68 and 36,948.40

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Solution

The fourth proportional to 65,015.36, 97,536.68 and 36,948.40 is: 55,430.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,015.36 : 97,536.68 = 36,948.40 : x
  2. Step 2: Convert to fraction form
    65,015.36/97,536.68 = 36,948.40/x
  3. Step 3: Cross multiply
    65,015.36x = 97,536.68 × 36,948.40
  4. Step 4: Simplify right side
    65,015.36x = 3,603,824,267.31
  5. Step 5: Solve for x
    x = 3,603,824,267.31/65,015.36
  6. Step 6: Final answer
    x = 55,430.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.